Limit switches can easily be attached to the yoke of the valve.
在阀门的轭架上，可以容易的附加限制开关。
Valve position high limit and valve position low limit setting.
阀位上限幅值和阀位上限幅值设定。
Valve contact output action and work status of limit switch are illustrated.
对触点信号动作和限位开关的工作状态进行了说明。
Above valve mouth in, pull out, give vent to anger door needle, set free to the limit;
气门嘴处于上方，拔出气门针，余气放尽；
Above valve mouth in, pull out, give vent to anger door needle, set free to the limit;
气门嘴处于上方，拔出气门针，余气放尽；
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